Home / 134,850,237-186,093,820.50-72,970,576.20

Finding the Fourth Proportional to 134,850,237, 186,093,820.50 and 72,970,576.20

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Solution

The fourth proportional to 134,850,237, 186,093,820.50 and 72,970,576.20 is: 100,699,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,850,237 : 186,093,820.50 = 72,970,576.20 : x
  2. Step 2: Convert to fraction form
    134,850,237/186,093,820.50 = 72,970,576.20/x
  3. Step 3: Cross multiply
    134,850,237x = 186,093,820.50 × 72,970,576.20
  4. Step 4: Simplify right side
    134,850,237x = 13,579,373,309,144,372
  5. Step 5: Solve for x
    x = 13,579,373,309,144,372/134,850,237
  6. Step 6: Final answer
    x = 100,699,662.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.